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kernel_samsung_sm7125/include/soc/qcom/sb_notification.h

57 lines
1.6 KiB

/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _SB_NOTIFICATION_H
#define _SB_NOTIFICATION_H
/* Indicates a system wake up event */
#define EVENT_REQUEST_WAKE_UP 0x01
#ifdef CONFIG_QTI_NOTIFY_SIDEBAND
/**
* sb_register_evt_listener - registers a notifier callback
* @nb: pointer to the notifier block for the callback events
*/
int sb_register_evt_listener(struct notifier_block *nb);
/**
* sb_unregister_evt_listener - un-registers a notifier callback
* registered previously.
* @nb: pointer to the notifier block for the callback events
*/
int sb_unregister_evt_listener(struct notifier_block *nb);
/**
* sb_notifier_call_chain - send events to all registered listeners
* as received from publishers.
* @nb: pointer to the notifier block for the callback events
*/
int sb_notifier_call_chain(unsigned long val, void *v);
#else
static inline int sb_register_evt_listener(struct notifier_block *nb)
{
return -EINVAL;
}
static inline int sb_unregister_evt_listener(struct notifier_block *nb)
{
return -EINVAL;
}
static inline int sb_notifier_call_chain(unsigned long val, void *v)
{
return -EINVAL;
}
#endif /* !CONFIG_QTI_NOTIFY_SIDEBAND */
#endif /* _SB_NOTIFICATION_H */